build(deps): bump @sentry/node from 5.12.4 to 5.13.1 in /backend

Sourced from @sentry/node's releases.

5.13.1

• [node] fix: Restore engines back to >= 6

5.13.0

• [apm] feat: Add options.autoPopAfter parameter to pushActivity to prevent never-ending spans (#2459)
• [apm] fix: Use monotonic clock to compute durations (#2441)
• [core] ref: Remove unused sentry_timestamp header (#2458)
• [node] ref: Drop Node v6, add Node v12 to test matrix, move all scripts to Node v12 (#2455)
• [utils] ref: Prevent instantiating unnecessary Date objects in timestampWithMs (#2442)
• [browser] fix: Mark transactions as event.transaction in breadcrumbs correctly

5.12.5

• [browser] ref: Mark transactions as event.transaction in breadcrumbs (#2450)
• [node] fix: Dont overwrite servername in requestHandler (#2449)
• [utils] ref: Move creation of iframe into try/catch in fetch support check (#2447)

Sourced from @sentry/node's changelog.

5.13.1

• [node] fix: Restore engines back to >= 6

5.13.0

• [apm] feat: Add options.autoPopAfter parameter to pushActivity to prevent never-ending spans (#2459)
• [apm] fix: Use monotonic clock to compute durations (#2441)
• [core] ref: Remove unused sentry_timestamp header (#2458)
• [node] ref: Drop Node v6, add Node v12 to test matrix, move all scripts to Node v12 (#2455)
• [utils] ref: Prevent instantiating unnecessary Date objects in timestampWithMs (#2442)
• [browser] fix: Mark transactions as event.transaction in breadcrumbs correctly

5.12.5

• [browser] ref: Mark transactions as event.transaction in breadcrumbs (#2450)
• [node] fix: Dont overwrite servername in requestHandler (#2449)
• [utils] ref: Move creation of iframe into try/catch in fetch support check (#2447)

• 0ceba79 release: 5.13.1
• c45b649 meta: 5.13.1 changelog
• 5b78cbc ref: Restore node 6 support due to yarn engine checks, add performance.now fa...
• 73c28c5 Merge release/5.13.0 into master
• 5de0e3b release: 5.13.0
• 0d8c054 meta: 5.13.0 changelog
• bc5ee8f feat: Add autoPop parameter and add debug logs (#2459)
• 6e1f442 ref: Create crossPlatformPerformance layer with better typings and fallback f...
• 13d8398 fix: Use monotonic clock to compute durations (#2441)
• 2e11882 ref: Remove unused sentry_timestamp header (#2458)
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