chore: update github url

[dwsupplee]

No description provided.

[codecov]

Codecov Report

Merging #56 into master will decrease coverage by 0.1%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #56      +/-   ##
============================================
- Coverage     77.85%   77.75%   -0.11%     
+ Complexity     1722     1721       -1     
============================================
  Files            60       60              
  Lines          5866     5843      -23     
  Branches        825      819       -6     
============================================
- Hits           4567     4543      -24     
+ Misses          926      925       -1     
- Partials        373      375       +2

Impacted Files	Coverage Δ	Complexity Δ
...oogle/cloud/spanner/jdbc/SingleUseTransaction.java	86% <0%> (-1%)	36% <0%> (-1%)
...a/com/google/cloud/spanner/jdbc/JdbcResultSet.java	80.3% <0%> (-0.81%)	127% <0%> (ø)
...ud/spanner/jdbc/AbstractJdbcPreparedStatement.java	90.24% <0%> (-0.61%)	52% <0%> (ø)
...n/java/com/google/cloud/spanner/jdbc/DdlBatch.java	85.1% <0%> (-0.32%)	28% <0%> (ø)
.../com/google/cloud/spanner/jdbc/ConnectionImpl.java	82.55% <0%> (-0.12%)	155% <0%> (ø)
...oogle/cloud/spanner/jdbc/JdbcDatabaseMetaData.java	95.23% <0%> (-0.01%)	180% <0%> (ø)
.../spanner/jdbc/ConnectionStatementExecutorImpl.java	100% <0%> (ø)	27% <0%> (ø)	⬇️
...m/google/cloud/spanner/jdbc/JdbcTypeConverter.java	75% <0%> (+0.13%)	88% <0%> (ø)	⬇️
...m/google/cloud/spanner/jdbc/ConnectionOptions.java	85.14% <0%> (+0.39%)	54% <0%> (ø)	⬇️

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