Build(deps): Bump actions/cache from 4 to 5

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/main.yml

@@ -32,7 +32,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: NuGet cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ env.NUGET_PACKAGES }}
           key: ${{ runner.os }}.nuget.${{ hashFiles('**/*.csproj', '**/*.fsproj') }}

.github/workflows/nuget.yml

@@ -35,7 +35,7 @@ jobs:
         run: echo "version=$(Scripts/Get-Version.ps1 -RefName $env:GITHUB_REF)" >> $env:GITHUB_OUTPUT
 
       - name: NuGet cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ env.NUGET_PACKAGES }}
           key: ${{ runner.os }}.nuget.${{ hashFiles('**/*.csproj', '**/*.fsproj') }}

.github/workflows/tdlib.yml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/checkout@v6
 
       - name: NuGet cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ${{ env.NUGET_PACKAGES }}
           key: ${{ runner.os }}.nuget.${{ hashFiles('Scripts/*.fsx') }}