RFR: Update affects_versions.svg [v2]

[Alexey Ivanov]

> Update `affects_versions.svg` as per discussion in #149.
> 
> 1. Make the arrows look better, narrower;
> 2. Put red cross for version 8 in the case 5 to make it explicit the issue won't be backported to both 11u and 8u;
> 3. Move all text a few pixels down, closer to the timeline;
> 4. Left-align `12-na` and `11-wnf` in cases 4 and 5 and display closer to 11 LTS line;
> 5. Reduce the circle radius for where an issue is fixed;
> 6. Mark-up 8 as LTS (displayed in bold).

Alexey Ivanov has updated the pull request incrementally with two additional commits since the last revision:

 - Move timeline version numbers even closer
 - Move timeline version numbers close to timeline lines

-------------

Changes:
  - all: https://git.openjdk.org/guide/pull/153/files
  - new: https://git.openjdk.org/guide/pull/153/files/13ebe135..4ef7b817

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=guide&pr=153&range=01
 - incr: https://webrevs.openjdk.org/?repo=guide&pr=153&range=00-01

  Stats: 5 lines in 1 file changed: 0 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/guide/pull/153.diff
  Fetch: git fetch https://git.openjdk.org/guide.git pull/153/head:pull/153

PR: https://git.openjdk.org/guide/pull/153