[editorial] Use canonical https URLs (#1934)

Author: chalin

docs/attributes-registry/url.md

@@ -71,8 +71,8 @@ This list is subject to change over time.
 When a query string value is redacted, the query string key SHOULD still be preserved, e.g.
 `q=OpenTelemetry&sig=REDACTED`.
 
-**[7] `url.registered_domain`:** This value can be determined precisely with the [public suffix list](http://publicsuffix.org). For example, the registered domain for `foo.example.com` is `example.com`. Trying to approximate this by simply taking the last two labels will not work well for TLDs such as `co.uk`.
+**[7] `url.registered_domain`:** This value can be determined precisely with the [public suffix list](https://publicsuffix.org/). For example, the registered domain for `foo.example.com` is `example.com`. Trying to approximate this by simply taking the last two labels will not work well for TLDs such as `co.uk`.
 
 **[8] `url.subdomain`:** The subdomain portion of `www.east.mydomain.co.uk` is `east`. If the domain has multiple levels of subdomain, such as `sub2.sub1.example.com`, the subdomain field should contain `sub2.sub1`, with no trailing period.
 
-**[9] `url.top_level_domain`:** This value can be determined precisely with the [public suffix list](http://publicsuffix.org).
+**[9] `url.top_level_domain`:** This value can be determined precisely with the [public suffix list](https://publicsuffix.org/).

docs/general/metrics.md

@@ -95,7 +95,7 @@ using the OpenMetrics exposition format, use the
 **Status**: [Stable][DocumentStatus]
 
 Units should follow the
-[Unified Code for Units of Measure](http://unitsofmeasure.org/ucum.html).
+[Unified Code for Units of Measure](https://unitsofmeasure.org/ucum.html).
 
 - Instruments for **utilization** metrics (that measure the fraction out of a
 total) are dimensionless and SHOULD use the default unit `1` (the unity).

model/url/registry.yaml

@@ -124,7 +124,7 @@ groups:
           The highest registered url domain, stripped of the subdomain.
         examples: ["example.com", "foo.co.uk"]
         note: >
-          This value can be determined precisely with the [public suffix list](http://publicsuffix.org).
+          This value can be determined precisely with the [public suffix list](https://publicsuffix.org/).
           For example, the registered domain for `foo.example.com` is `example.com`.
           Trying to approximate this by simply taking the last two labels will not work well for TLDs such as `co.uk`.
       - id: url.scheme
@@ -158,4 +158,4 @@ groups:
           For example, the top level domain for example.com is `com`.
         examples: ["com", "co.uk"]
         note: >
-          This value can be determined precisely with the [public suffix list](http://publicsuffix.org).
+          This value can be determined precisely with the [public suffix list](https://publicsuffix.org/).