fix(datetime): ascending order for years (#27551)

resolves #27422

Co-authored-by: Jón Prüßmeier <jon-pruessmeier@users.noreply.github.com>

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issue. -->

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## What is the current behavior?
<!-- Please describe the current behavior that you are modifying. -->
Years in the date picker are displayed in descending order.

## What is the new behavior?
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this PR. -->

- Years in the date picker are displayed in ascending order
- This matches the native behavior

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

<!-- If this introduces a breaking change, please describe the impact
and migration path for existing applications below. -->
This is not a breaking change, but it may be unexpected and also may
cause users' visual diff tests to fail. As such, we'll target this to
7.1

## Other information

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screenshots of how the component looks before and after the change. -->
The updated snapshots show the change

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Co-authored-by: ionitron <hi@ionicframework.com>

core/src/components.d.ts

@@ -947,7 +947,7 @@ export namespace Components {
          */
         "value"?: string | string[] | null;
         /**
-          * Values used to create the list of selectable years. By default the year values range between the `min` and `max` datetime inputs. However, to control exactly which years to display, the `yearValues` input can take a number, an array of numbers, or string of comma separated numbers. For example, to show upcoming and recent leap years, then this input's value would be `yearValues="2024,2020,2016,2012,2008"`.
+          * Values used to create the list of selectable years. By default the year values range between the `min` and `max` datetime inputs. However, to control exactly which years to display, the `yearValues` input can take a number, an array of numbers, or string of comma separated numbers. For example, to show upcoming and recent leap years, then this input's value would be `yearValues="2008,2012,2016,2020,2024"`.
          */
         "yearValues"?: number[] | number | string;
     }
@@ -4973,7 +4973,7 @@ declare namespace LocalJSX {
          */
         "value"?: string | string[] | null;
         /**
-          * Values used to create the list of selectable years. By default the year values range between the `min` and `max` datetime inputs. However, to control exactly which years to display, the `yearValues` input can take a number, an array of numbers, or string of comma separated numbers. For example, to show upcoming and recent leap years, then this input's value would be `yearValues="2024,2020,2016,2012,2008"`.
+          * Values used to create the list of selectable years. By default the year values range between the `min` and `max` datetime inputs. However, to control exactly which years to display, the `yearValues` input can take a number, an array of numbers, or string of comma separated numbers. For example, to show upcoming and recent leap years, then this input's value would be `yearValues="2008,2012,2016,2020,2024"`.
          */
         "yearValues"?: number[] | number | string;
     }

core/src/components/datetime/datetime.tsx

@@ -231,7 +231,7 @@ export class Datetime implements ComponentInterface {
    * the year values range between the `min` and `max` datetime inputs. However, to
    * control exactly which years to display, the `yearValues` input can take a number, an array
    * of numbers, or string of comma separated numbers. For example, to show upcoming and
-   * recent leap years, then this input's value would be `yearValues="2024,2020,2016,2012,2008"`.
+   * recent leap years, then this input's value would be `yearValues="2008,2012,2016,2020,2024"`.
    */
   @Prop() yearValues?: number[] | number | string;
   @Watch('yearValues')