Update actions/setup-dotnet action to v5.3.0

Author: renovate[bot]

.github/workflows/build.yml

@@ -52,7 +52,7 @@ jobs:
       # codecov and unittests need 2.1, gitversion needs 5.0
       # GitReleasemanager needs 7.0
       # builds run on 9.0
-      - uses: actions/setup-dotnet@2016bd2012dba4e32de620c46fe006a3ac9f0602 # v5.0.1
+      - uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
         with:
           dotnet-version: |
             2.1

.github/workflows/codeql-analysis.yml

@@ -24,7 +24,7 @@ jobs:
       with:
         fetch-depth: 0
 
-    - uses: actions/setup-dotnet@2016bd2012dba4e32de620c46fe006a3ac9f0602 # v5.0.1
+    - uses: actions/setup-dotnet@9a946fdbd5fb07b82b2f5a4466058b876ab72bb2 # v5.3.0
       with:
         dotnet-version: |
           2.1