CompatHelper: bump compat for "HTTP" to "0.9"

[github-actions]

This pull request changes the compat entry for the HTTP package from 0.8 to 0.8, 0.9.

This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry. It is your responsibility to make sure that your package tests pass before you merge this pull request.

[codecov-io]

Codecov Report

Merging #291 (d2dbfc7) into master (d1dfc39) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #291   +/-   ##
=======================================
  Coverage   67.28%   67.28%           
=======================================
  Files           3        3           
  Lines         162      162           
=======================================
  Hits          109      109           
  Misses         53       53           

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[coveralls]

Pull Request Test Coverage Report for Build 929

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 16 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+13.5%) to 87.838%

---

Files with Coverage Reduction	New Missed Lines	%
src/codecovio.jl	6	72.84%
src/coveralls.jl	10	66.98%

Totals
Change from base Build 913:	13.5%
Covered Lines:	130
Relevant Lines:	148

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 929

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 16 unchanged lines in 2 files lost coverage.
• Overall coverage increased (+13.5%) to 87.838%

---

Files with Coverage Reduction	New Missed Lines	%
src/codecovio.jl	6	72.84%
src/coveralls.jl	10	66.98%

Totals
Change from base Build 913:	13.5%
Covered Lines:	130
Relevant Lines:	148

---

💛 - Coveralls