Replace sun libraries with bouncycastle

[elefeint]

Old sun crypto libraries have been modularized away from base.

Bouncy castle is MIT license, test scope, works well.

Fixes #2240.

[codecov]

Codecov Report

Merging #2249 into master will decrease coverage by 8.13%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #2249      +/-   ##
============================================
- Coverage     80.76%   72.62%   -8.14%     
+ Complexity     2275     2030     -245     
============================================
  Files           258      258              
  Lines          7398     7398              
  Branches        753      753              
============================================
- Hits           5975     5373     -602     
- Misses         1111     1680     +569     
- Partials        312      345      +33

Flag	Coverage Δ	Complexity Δ
#integration	?	?
#unittests	72.62% <ø> (ø)	2030 <ø> (ø)	⬇️

Impacted Files	Coverage Δ	Complexity Δ
...a/spanner/repository/query/SpannerQueryMethod.java	0% <0%> (-100%)	0% <0%> (-6%)
...ure/secretmanager/SecretManagerPropertySource.java	0% <0%> (-100%)	0% <0%> (-7%)
...ository/config/FirestoreRepositoriesRegistrar.java	0% <0%> (-100%)	0% <0%> (-3%)
...sitory/support/FirestoreRepositoryFactoryBean.java	0% <0%> (-100%)	0% <0%> (-4%)
...pository/support/FirestoreQueryLookupStrategy.java	0% <0%> (-100%)	0% <0%> (-2%)
...figure/config/GcpConfigBootstrapConfiguration.java	0% <0%> (-100%)	0% <0%> (-2%)
...restore/repository/query/FirestoreQueryMethod.java	0% <0%> (-100%)	0% <0%> (-2%)
...ository/config/DatastoreRepositoriesRegistrar.java	0% <0%> (-100%)	0% <0%> (-3%)
...retmanager/SecretManagerPropertySourceLocator.java	0% <0%> (-100%)	0% <0%> (-2%)
...epository/config/SpannerRepositoriesRegistrar.java	0% <0%> (-100%)	0% <0%> (-3%)
... and 54 more

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities (and 0 Security Hotspots to review)
0 Code Smells

No Coverage information
0.0% Duplication