Bump Polly from 8.6.2 to 8.6.3 (#2685)

Updated [Polly](https://github.com/App-vNext/Polly) from 8.6.2 to 8.6.3.

<details>
<summary>Release notes</summary>

_Sourced from [Polly's
releases](https://github.com/App-vNext/Polly/releases)._

## 8.6.3

## What's Changed

* Add release notes configuration by @​martincostello in
App-vNext/Polly#2678
* Simplify release workflow by @​martincostello in
App-vNext/Polly#2679
* Sign-off commits by @​martincostello in
App-vNext/Polly#2694
* Add GitHub sponsorship by @​martincostello in
App-vNext/Polly#2695
* Refactor project dependencies by @​martincostello in
App-vNext/Polly#2696
* Add zizmor by @​martincostello in
App-vNext/Polly#2698
* Update benchmarks by @​martincostello in
App-vNext/Polly#2712
* Reduce async overhead by @​pentp in
App-vNext/Polly#2664
* Update benchmarks by @​martincostello in
App-vNext/Polly#2713

## New Contributors

* @​pentp made their first contribution in
App-vNext/Polly#2664

**Full Changelog**:
App-vNext/Polly@8.6.2...8.6.3


Commits viewable in [compare
view](App-vNext/Polly@8.6.2...8.6.3).
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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

ImperatorToCK3/ImperatorToCK3.csproj

@@ -46,7 +46,7 @@
         <PackageReference Include="MurmurHash.NETStandard" Version="1.0.0" />
         <PackageReference Include="PGCG.commonItems" Version="15.2.0" />
         <PackageReference Include="PGCG.commonItems.SourceGenerators" Version="1.0.9" />
-        <PackageReference Include="Polly" Version="8.6.2" />
+        <PackageReference Include="Polly" Version="8.6.3" />
         <PackageReference Include="Roslynator.Analyzers" Version="4.14.0">
             <PrivateAssets>all</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>