[Fix] Update mmcv,torch,cuda version in Dockerfile and doc

[Ezra-Yu]

Motivation

Update mmcv,torch,cuda version in Dockerfile and doc

Modification

docker/Dockerfile
install.md

Checklist

Before PR:

• Pre-commit or other linting tools are used to fix the potential lint issues.
• Bug fixes are fully covered by unit tests, the case that causes the bug should be added in the unit tests.
• The modification is covered by complete unit tests. If not, please add more unit test to ensure the correctness.
• The documentation has been modified accordingly, like docstring or example tutorials.

After PR:

• If the modification has potential influence on downstream or other related projects, this PR should be tested with those projects, like MMDet or MMSeg.
• CLA has been signed and all committers have signed the CLA in this PR.

[codecov]

Codecov Report

Merging #594 (9cd6900) into master (58ab028) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #594   +/-   ##
=======================================
  Coverage   80.01%   80.01%           
=======================================
  Files         109      109           
  Lines        6419     6419           
  Branches     1102     1102           
=======================================
  Hits         5136     5136           
  Misses       1146     1146           
  Partials      137      137           

Flag	Coverage Δ
unittests	80.01% <ø> (ø)

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[mzr1996]

LGTM