tsdb: update vm to v1.76.1; expose more params

[mornyx]

What problem does this PR solve?

Issue Number: close #212

What is changed and how it works?

• Expose -search.maxUniqueTimeseries to users. This is done by adding a new item to the configuration file.
• Also add -retentionPeriod to the configuration file. (Note: cmdline arg take precedence over configuration file.)
• Upgrade vm to v1.76.1 for -search.maxUniqueTimeseries to take effect.

Example:

# config.toml
# ...

[tsdb]
# Data with timestamps outside the retentionPeriod is automatically deleted
# The following optional suffixes are supported: h (hour), d (day), w (week), y (year).
# If suffix isn't set, then the duration is counted in months.
retention-period = "1"
# `search-max-unique-timeseries` limits the number of unique time series a single query can find and process.
# VictoriaMetrics(tsdb) keeps in memory some metainformation about the time series located by each query
# and spends some CPU time for processing the found time series. This means that the maximum memory usage
# and CPU usage a single query can use is proportional to `search-max-unique-timeseries`.
search-max-unique-timeseries = 300000

[zhangpeijin-milo]

/lgtm

[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-11-30 06:55:12.902504664 +0000 UTC m=+1078541.567730860: ☑️ agreed by zhangpeijin-milo.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: zhangpeijin-milo

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[mornyx]

/merge

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[mornyx]

/cherry-pick release-6.5

[ti-chi-bot]

@mornyx: new pull request created to branch release-6.5: #214.

In response to this:

/cherry-pick release-6.5

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[mornyx]

/cherry-pick release-7.1

[ti-chi-bot]

@mornyx: new pull request created to branch release-7.1: #215.

In response to this:

/cherry-pick release-7.1

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[mornyx]

/cherry-pick release-7.5

[ti-chi-bot]

@mornyx: new pull request created to branch release-7.5: #253.

In response to this:

/cherry-pick release-7.5

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