chore(build.in): update version of gh-get-current-pr action (#17978)

This PR updates the version of the `gh-get-current-pr`  action from `v2.2.0` to `3.0.0` to avoid the following deprecation warning: 

> The following actions use a deprecated Node.js version and will be forced to run on node20: 8BitJonny/[email protected]. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

.github/build.in.yml

@@ -303,7 +303,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - id: PR
-        uses: 8BitJonny/gh-get-current-pr@2.2.0
+        uses: 8BitJonny/gh-get-current-pr@3.0.0
         # TODO: this may not work properly if the same commit is pushed to multiple branches:
         # https://github.com/8BitJonny/gh-get-current-pr/issues/8
         with:

.github/workflows/bors.yml

@@ -313,7 +313,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - id: PR
-        uses: 8BitJonny/gh-get-current-pr@2.2.0
+        uses: 8BitJonny/gh-get-current-pr@3.0.0
         # TODO: this may not work properly if the same commit is pushed to multiple branches:
         # https://github.com/8BitJonny/gh-get-current-pr/issues/8
         with:

.github/workflows/build.yml

@@ -320,7 +320,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - id: PR
-        uses: 8BitJonny/gh-get-current-pr@2.2.0
+        uses: 8BitJonny/gh-get-current-pr@3.0.0
         # TODO: this may not work properly if the same commit is pushed to multiple branches:
         # https://github.com/8BitJonny/gh-get-current-pr/issues/8
         with:

.github/workflows/build_fork.yml

@@ -317,7 +317,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - id: PR
-        uses: 8BitJonny/gh-get-current-pr@2.2.0
+        uses: 8BitJonny/gh-get-current-pr@3.0.0
         # TODO: this may not work properly if the same commit is pushed to multiple branches:
         # https://github.com/8BitJonny/gh-get-current-pr/issues/8
         with: