add column support to beacon chain db

[agnxsh]

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[github-actions]

Unit Test Results

       12 files  ±0    1 814 suites  ±0   54m 46s ⏱️ - 1m 29s
  5 238 tests +1    4 890 ✔️ +1  348 💤 ±0  0 ❌ ±0 
29 101 runs  +4  28 649 ✔️ +4  452 💤 ±0  0 ❌ ±0 

Results for commit 885211d. ± Comparison against base commit a157760.

♻️ This comment has been updated with latest results.

[tersec]

My concern is that PeerDAS won't, in fact, be in PectrA/Pectra, and as such this will trigger for end-users when the first of Sepolia or Holesky forks. Want to keep this out of unstable until that's resolved. One way of doing this is to create new Fulu fork in the codebase and merge fork-specific PeerDAS code into that, which presumably is where it will ship, and if not, can rename/move later.