ci(workflows): upgrade actions/checkout to v5 across all workflow files

Author: PaulFirs

.github/workflows/publish.yml

@@ -11,7 +11,7 @@ jobs:
   build-and-publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Check tag matches pyproject.toml version
         id: check-version
         run: |

.github/workflows/test-erase.yml

@@ -41,7 +41,7 @@ jobs:
           pkill -9 -f JLinkRemoteServer || true
           sleep 2
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install package
         run: |

.github/workflows/test-flash.yml

@@ -41,7 +41,7 @@ jobs:
           pkill -9 -f JLinkRemoteServer || true
           sleep 2
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install package
         run: |

.github/workflows/test-rtt.yml

@@ -41,7 +41,7 @@ jobs:
           pkill -9 -f JLinkRemoteServer || true
           sleep 2
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Install package
         run: |

.github/workflows/test-scan.yml

@@ -39,7 +39,7 @@ jobs:
           pkill -9 -f JLinkRemoteServer || true
           sleep 2
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
 
       - name: Build release distributions
         run: |